// Copyright 2024 Tvux
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package _058

import "strings"

//func lengthOfLastWord(s string) int {
//	i := len(s) - 1
//	// 先找到第一个不为空格的字符
//	for s[i] == ' ' {
//		i--
//	}
//	right := i
//	// 然后找第一个为空格的字符
//	for i >= 0 && s[i] != ' ' {
//		i--
//	}
//	return right - i
//}

// lengthOfLastWord
// 调库函数
func lengthOfLastWord(s string) int {
	s = strings.TrimRight(s, " ")
	return len(s) - 1 - strings.LastIndex(s, " ")
}
